BIOS 255 FINAL EXAM / LATEST 2025/2025 /
GRADED A+ / WITH REAL QUESTIONS AND
WELL VERIFIED ANSWERS [G UARANTEED
A+]
In general, the anterior compartment of the arm contains muscles that ______ the forearm at the elbow joint, while the posterior compartment contains muscles that ______ the forearm. - ANSWER-flex, extend
Why is the forearm larger near the elbow than it is near the wrist? - ANSWER-The bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.
Identify the actions provided by contraction of the biceps brachii. - ANSWER- Flexion of the forearm
The tendons of forearm muscles are individually surrounded by ______ sheaths and collectively held close to the carpal bones by fibrous bands of fascia called ______. - ANSWER-synovial, retinacula
Identify the action provided by contraction of the triceps brachii. - ANSWER- Extension of the forearm
Put in simple terms, the intrinsic muscles of the hand are classified anatomically as the group at the base of the thumb (the _______ group), those found at the base of the little finger (the _______ group), and everything in between (the _______ group) - ANSWER-thenar, hypothenar, mi palmar 1 / 4
Extrinsic muscles of the wrist and hand ______. - ANSWER-flex or extend the hand and fingers
Which of the following correctly describes the tendons of the forearm muscles at the wrist joint? - ANSWER-The flexor retinaculum covers the palmar or anterior surface of the carpal bones.
Identify the movements of the glenohumeral joint that occur with contraction of the posterior fibers of the deltoid. - ANSWER-Extend and laterally rotate the arm
Contraction of the long head of the biceps brachii results in a single type of movement of the glenohumeral joint. What type of movement is this? - ANSWER- Flexion of the arm
Contraction of the subscapularis ______ the arm, and contraction of the supraspinatus ______ the arm. - ANSWER-medially rotates, abducts
Identify the muscles that medially rotate the arm at the glenohumeral joint. - ANSWER-Subscapularis Latissimus dorsi Teres major Deltoid Pectoralis major
The anterior and posterior compartments of the arm are surrounded by ______ and each house skeletal muscles that perform ______ actions. - ANSWER-deep fascia, similar
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Which best summarizes the MAIN movement of the glenohumeral joint that occur with contraction of the deltoid? - ANSWER-Abduction of the arm
Which muscles flex the forearm?
Brachialis Brachioradialis Biceps brachii Triceps brachii - ANSWER-Brachialis Brachioradialis Biceps brachii
Identify the location of the triceps brachii. - ANSWER-Posterior arm
Identify the muscles that laterally rotate the arm at the glenohumeral joint. - ANSWER-Teres minor Infraspinatus Deltoid
Which group of intrinsic hand muscles forms a fleshy mass at the base of the thumb? - ANSWER-Thenar
When the sartorius contracts, the thigh is _______. - ANSWER-rotated laterally flexed The place where two bones meet is called ______. - ANSWER-articulation
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Growth from within cartilage is called ______. - ANSWER-interstitial growth
Cartilage is what type of tissue? - ANSWER-connective
In interstitial growth of cartilage ______. - ANSWER-news cells and new matrix are produced
Chondrocytes occupy small spaces called - ANSWER-lacunae
Which statements characterize cartilage?It supports soft tissues It provides a gliding surface at joints.It provides a model for the formation of bones.It secretes hormones related to bone formation.It is the site of blood cell formation. - ANSWER-It supports soft tissues It provides a gliding surface at joints.It provides a model for the formation of bones.
A joint in the body is also called a(n) - ANSWER-articulation
In appositional growth, cartilage grows ______. - ANSWER-when stem cells at the perichondrium divide
Growth along the periphery of cartilage is called ___ growth. - ANSWER- appositional
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